[gentoo-user] Boot help

[gentoo-user] Boot help

[Alan Ianson]

I can't seem to boot my new install of gentoo-amd64-2005.0. I did a stage 3 install and all seems to have gone well but I can't seem to boot it up, I get a kernel panic and the last message on the screen says "Please use a correct root= command". I have appended root=/dev/sda3 and as far as I can tell that is what it should be. This is a brand new machine with an amd64 2800+ cpu and an sata hard drive. I was up into the wee hours this morning trying to boot with no luck, I will try again tonight and try any ideas anyone can send my way. Thanks in advance. :)


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Re: [gentoo-user] Boot help

[Zac Medico]

Alan Ianson wrote:
> I can't seem to boot my new install of gentoo-amd64-2005.0. I did a stage 3 install and all seems to have gone well but I can't seem to boot it up, I get a kernel panic and the last message on the screen says "Please use a correct root= command". I have appended root=/dev/sda3 and as far as I can tell that is what it should be. This is a brand new machine with an amd64 2800+ cpu and an sata hard drive. I was up into the wee hours this morning trying to boot with no luck, I will try again tonight and try any ideas anyone can send my way. Thanks in advance. :)
> 
> 

You need the sata driver.  You can build the driver into the kernel statically or use a modular driver and load it from an initrd.  The install cd loads the sata drivers from a genkernel initrd.

Zac
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Re: [gentoo-user] Boot help

[Adam Holisky]

I just did this myself with an amd64 system.  My recommendation is to use the
genkernel at first, and then go through and configure it yourself after the
system is up and running - and you know you have a stable system to fall back
on.  I've also found the most success - at least as far as everything 
on my box
working smoothly - by using the gentoo suplied kernels/config/patches.

I agree with the post below, your exact issue is almost positvly a issue of
compiling SATA support, and if you use genkernel, it will compile in support
for you.  The part of the documentation you need to look at is here, assuming
that you've already emerged the kernel source:
http://www.gentoo.org/doc/en/handbook/handbook-amd64.xml?part=1&chap=7#doc_chap4

If however, you're doing a dual boot with windows, you're partition map would
likely be different, with /dev/sda3 not being your linnux root, and you 
need to
go back and look at what you've done before when setting up /etc/fstab.

Good luck! - Adam.

Quoting Zac Medico <zmedico@gmail.com>:

> Alan Ianson wrote:
>> I can't seem to boot my new install of gentoo-amd64-2005.0. I did a 
>> stage 3 install and all seems to have gone well but I can't seem to 
>> boot it up, I get a kernel panic and the last message on the screen 
>> says "Please use a correct root= command". I have appended 
>> root=/dev/sda3 and as far as I can tell that is what it should be. 
>> This is a brand new machine with an amd64 2800+ cpu and an sata hard 
>> drive. I was up into the wee hours this morning trying to boot with 
>> no luck, I will try again tonight and try any ideas anyone can send 
>> my way. Thanks in advance. :)
>>
>>
>
> You need the sata driver.  You can build the driver into the kernel 
> statically or use a modular driver and load it from an initrd.  The 
> install cd loads the sata drivers from a genkernel initrd.
>
> Zac
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> gentoo-user@gentoo.org mailing list
>



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